little help!!!

How to view all the network in win2k? in window 98,simply click the right button in the network neighbourhood and it shows all network. i want to know how to view win2k only, plss....
plus how to get back a "paint" that's always in the accesories there? it always there after installatiion.
for the moderator,can u tell me more details on gateway and subnet masks in details,? thanks!!!